/**
 * Copyright Frank Cheung <frank@ajaxjs.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.ajaxjs.js.jsonparser;

/**
 * JSON 解析器专用异常类
 * 
 * @author Frank Cheung frank@ajaxjs.com
 */
public class JsonParseException extends RuntimeException {
	private static final long serialVersionUID = 1L;
	
	/**
	 * 
	 * @param charNum
	 * @param lineNum
	 * @param colNum
	 * @param message
	 */
	public JsonParseException(int charNum, int lineNum, int colNum, String message) {
		this.charNum = charNum;
		this.colNum = colNum;
		this.lineNum = lineNum;
		this.desc = message;
	}

	/**
	 * 
	 * @param charNum
	 * @param lineNum
	 * @param colNum
	 * @param message
	 * @param cause
	 */
	public JsonParseException(int charNum, int lineNum, int colNum, String message, Throwable cause) {
		this(charNum, lineNum, colNum, message);
		this.cause = cause;
	}

	public JsonParseException(String string) {
		super(string);
	}

	private int charNum;

	private int lineNum;

	private int colNum;

	private String desc;

	private Throwable cause;

	@Override
	public String getMessage() {
		return "JsonParseException[char: " + charNum + ", line: " + lineNum + ", column: " + colNum + "]" + desc + (cause == null ? "" : cause.toString());
	}
	
	@Override
	public String toString() {
		return getMessage();
	}
}
